The PorTable Operating System Interface (POSIX) is a fixed of interface requirements particular by the IEEE Computer society and based totally on Unix. It presents the defiNition for the Application Programming Interfaces, the related application interfaces and Command Line Shells for compatibility of various Packages and Software with one of a kind running sySTEMs and variants of UNIX. POSIX is an evolving circle of relatives of Computer requirements that includes a wide spectrum of working Device Components starting from the C Programming Language and interfaces primarily based on shell to management of Laptop structures.
The Portable Operating System Interface evolved from the requirement of different Businesses to have packages and packages that might be moved to unique Computer Systems without the need for reCoding. The UNIX working gadget was selected as the same old system interface as it became capable of being “producer neutral.” Although there have been many releases for portable working machine interface, POSIX 1 which defines device calls and POSIX 2 which defines Command Line Interfaces are critical ones.
The Portable Operating System Interface is diagnosed by way of standards consisting of the International Organization for Standardization (ISO) and American National Standards Institute (ANSI). One of the most important roles of POSIX is to Make sure Code Portability and compatibility between the special structures and Hardware Platforms. This is increasingly checked for lots government agreements and industrial programs. Modern industrial Implementations based totally on UNIX and even unfastened ones based totally on UNIX are basically POSIX compliant.
When we refer to POSIX as an acronym of Portable Operating System Interface, we mean that POSIX is formed by taking the initial letters of each significant word in Portable Operating System Interface. This process condenses the original phrase into a shorter, more manageable form while retaining its essential meaning. According to this definition, POSIX stands for Portable Operating System Interface.
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